<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        * {
            margin: 0;
            padding: 0;
        }

        .login-box {
            width: 500px;
            height: 500px;
            margin: 50px auto;
        }

        .login-box .title {
            font-weight: bold;
            line-height: 80px;
            text-align: center;
        }

        .login-box .block {
            margin: 30px 0;
        }

        .login-box .block input {
            height: 40px;
            padding-left: 20px;
            border: 1px solid #ccc;
            border-radius: 5px;
            width: 100%;
            outline: none;
            box-sizing: border-box;
        }
    </style>
</head>

<body>
    <div class="login-box">
        <div class="title">登录页</div>
        <div class="block">
            <input type="text" placeholder="用户名">
        </div>
        <div class="block">
            <input type="password" placeholder="密码">
        </div>
        <div class="block">
            <input type="button" value="登陆">
        </div>
    </div>
</body>

</html>

<script src="./封装ajax.js"></script>
<script>
    //获取到输入框元素
    var inputs = document.querySelectorAll('.login-box .block input')
    //给登陆按钮绑定点击事件
    inputs[2].onclick = function () {
        if (inputs[0].value && inputs[1].value) {
            if (/^1[3-9]\d{9}$/.test(inputs[0].value) && /^\d{4}$/.test(inputs[1].value)) {
                ajax('get', 'https://yantianfeng.com/api/login', { username: inputs[0].value, password: inputs[1].value }, function (data) {
                    if (data.code == 200) {
                        alert('登陆成功')
                    } else {
                        alert('登陆失败')
                    }

                })
            }
            else { alert('请输入正确的手机号/密码') }
        } else {
            alert('用户名/密码不能为空!')
        }
    }


</script>